Patents Assigned to Mitsui Kinzoku Kogyo Kabushiki Shisha
  • Patent number: 5418512
    Abstract: This invention provides a superconducting magnetic shield and a magnetic shielding apparatus including the same, thereby accurately measuring an extremely weak magnetic field such an magnetoencephalographic waves by reducing the influence of magnetic field of the earth or magnetic noises.
    Type: Grant
    Filed: December 9, 1992
    Date of Patent: May 23, 1995
    Assignees: Mitsui Kinzoku Kogyo Kabushiki Shisha, Rikagaku Kenkyusho
    Inventors: Hiroshi Ohta, Masakazu Aono, Kazuhiko Kato, Kazutomo Hoshino, Hidefusa Takahara, Tomonobu Nakayama, Eiichi Sudoh